Geographic and Segment Information - Schedule of Operating Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Total net sales	$ 161,710	$ 148,105
Total gross profit	41,570	34,249
Operating Segments [Member] | Foundry Services Group [Member]
Segment Reporting Information [Line Items]
Total net sales	77,528	59,979
Total gross profit	22,087	14,293
Operating Segments [Member] | Standard Products Group [Member]
Segment Reporting Information [Line Items]
Total net sales	84,159	87,977
Total gross profit	19,460	20,760
Operating Segments [Member] | Standard Products Group [Member] | Display Solutions [Member]
Segment Reporting Information [Line Items]
Total net sales	48,879	58,059
Operating Segments [Member] | Standard Products Group [Member] | Power Solutions [Member]
Segment Reporting Information [Line Items]
Total net sales	35,280	29,918
All Other [Member]
Segment Reporting Information [Line Items]
Total net sales	23	149
Total gross profit	$ 23	$ (804)